Intel Pentium M Processor on 90nm Process with 2-MB L2 Cache Datasheet

Datasheet 3
Contents
1 Introduction....................................................................................................................................7
1.1 Terminology ..........................................................................................................................9
1.2 References ...........................................................................................................................9
2 Low Power Features....................................................................................................................11
2.1 Clock Control and Low Power States .................................................................................11
2.1.1 Normal State..........................................................................................................11
2.1.2 AutoHALT Power-Down State ...............................................................................11
2.1.3 Stop-Grant State....................................................................................................12
2.1.4 HALT/Grant Snoop State.......................................................................................12
2.1.5 Sleep State ............................................................................................................13
2.1.6 Deep Sleep State...................................................................................................13
2.1.7 Deeper Sleep State ...............................................................................................14
2.2 Enhanced Intel SpeedStep
®
Technology ...........................................................................14
2.3 Front Side Bus Low Power Enhancements ........................................................................15
2.4 Processor Power Status Indicator (PSI#) Signal ................................................................15
3 Electrical Specifications .............................................................................................................17
3.1 Power and Ground Pins......................................................................................................17
3.1.1 FSB Clock (BCLK[1:0]) and Processor Clocking ...................................................17
3.2 Voltage Identification ..........................................................................................................17
3.3 Catastrophic Thermal Protection ........................................................................................18
3.4 Signal Terminations and Unused Pins................................................................................19
3.5 FSB Frequency Select Signals (BSEL[1:0]) .......................................................................19
3.6 FSB Signal Groups .............................................................................................................19
3.7 CMOS Signals ....................................................................................................................20
3.8 Maximum Ratings ...............................................................................................................21
3.9 Processor DC Specifications ..............................................................................................21
4 Package Mechanical Specifications and Pin Information .......................................................47
4.1 Processor Pinout and Pin List.............................................................................................54
4.2 Alphabetical Signals Reference..........................................................................................70
5 Thermal Specifications and Design Considerations................................................................77
5.1 Thermal Specifications .......................................................................................................80
5.1.1 Thermal Diode .......................................................................................................80
5.1.2 Thermal Diode Offset.............................................................................................81
5.1.3 Intel
®
Thermal Monitor...........................................................................................82